runtime/org.argeo.slc.repo/src/main/java/org/argeo/slc/repo/RepoUtils.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.repo;
  17
  18 import java.io.ByteArrayOutputStream;
  19 import java.io.File;
  20 import java.io.FileInputStream;
  21 import java.io.IOException;
  22 import java.io.InputStream;
  23 import java.io.OutputStream;
  24 import java.util.Enumeration;
  25 import java.util.Iterator;
  26 import java.util.Set;
  27 import java.util.StringTokenizer;
  28 import java.util.TreeSet;
  29 import java.util.jar.Attributes;
  30 import java.util.jar.JarEntry;
  31 import java.util.jar.JarFile;
  32 import java.util.jar.JarInputStream;
  33 import java.util.jar.JarOutputStream;
  34 import java.util.jar.Manifest;
  35
  36 import javax.jcr.Credentials;
  37 import javax.jcr.GuestCredentials;
  38 import javax.jcr.Node;
  39 import javax.jcr.NodeIterator;
  40 import javax.jcr.Property;
  41 import javax.jcr.PropertyIterator;
  42 import javax.jcr.Repository;
  43 import javax.jcr.RepositoryException;
  44 import javax.jcr.RepositoryFactory;
  45 import javax.jcr.Session;
  46 import javax.jcr.SimpleCredentials;
  47 import javax.jcr.nodetype.NodeType;
  48
  49 import org.apache.commons.io.FilenameUtils;
  50 import org.apache.commons.io.IOUtils;
  51 import org.apache.commons.logging.Log;
  52 import org.apache.commons.logging.LogFactory;
  53 import org.argeo.ArgeoMonitor;
  54 import org.argeo.jcr.ArgeoJcrUtils;
  55 import org.argeo.jcr.ArgeoNames;
  56 import org.argeo.jcr.ArgeoTypes;
  57 import org.argeo.jcr.JcrUtils;
  58 import org.argeo.slc.DefaultNameVersion;
  59 import org.argeo.slc.NameVersion;
  60 import org.argeo.slc.SlcException;
  61 import org.argeo.slc.aether.ArtifactIdComparator;
  62 import org.argeo.slc.jcr.SlcNames;
  63 import org.argeo.slc.jcr.SlcTypes;
  64 import org.argeo.slc.repo.maven.MavenConventionsUtils;
  65 import org.argeo.util.security.Keyring;
  66 import org.osgi.framework.Constants;
  67 import org.sonatype.aether.artifact.Artifact;
  68 import org.sonatype.aether.util.artifact.DefaultArtifact;
  69
  70 /** Utilities around repo */
  71 public class RepoUtils implements ArgeoNames, SlcNames {
  72         private final static Log log = LogFactory.getLog(RepoUtils.class);
  73
  74         /** Packages a regular sources jar as PDE source. */
  75         public static void packagesAsPdeSource(File sourceFile,
  76                         NameVersion nameVersion, OutputStream out) throws IOException {
  77                 if (isAlreadyPdeSource(sourceFile)) {
  78                         FileInputStream in = new FileInputStream(sourceFile);
  79                         IOUtils.copy(in, out);
  80                         IOUtils.closeQuietly(in);
  81                 } else {
  82                         String sourceSymbolicName = nameVersion.getName() + ".source";
  83
  84                         Manifest sourceManifest = null;
  85                         sourceManifest = new Manifest();
  86                         sourceManifest.getMainAttributes().put(
  87                                         Attributes.Name.MANIFEST_VERSION, "1.0");
  88                         sourceManifest.getMainAttributes().putValue("Bundle-SymbolicName",
  89                                         sourceSymbolicName);
  90                         sourceManifest.getMainAttributes().putValue("Bundle-Version",
  91                                         nameVersion.getVersion());
  92                         sourceManifest.getMainAttributes().putValue(
  93                                         "Eclipse-SourceBundle",
  94                                         nameVersion.getName() + ";version="
  95                                                         + nameVersion.getVersion());
  96                         copyJar(sourceFile, out, sourceManifest);
  97                 }
  98         }
  99
 100         public static byte[] packageAsPdeSource(InputStream sourceJar,
 101                         NameVersion nameVersion) {
 102                 String sourceSymbolicName = nameVersion.getName() + ".source";
 103
 104                 Manifest sourceManifest = null;
 105                 sourceManifest = new Manifest();
 106                 sourceManifest.getMainAttributes().put(
 107                                 Attributes.Name.MANIFEST_VERSION, "1.0");
 108                 sourceManifest.getMainAttributes().putValue("Bundle-SymbolicName",
 109                                 sourceSymbolicName);
 110                 sourceManifest.getMainAttributes().putValue("Bundle-Version",
 111                                 nameVersion.getVersion());
 112                 sourceManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
 113                                 nameVersion.getName() + ";version=" + nameVersion.getVersion());
 114
 115                 return modifyManifest(sourceJar, sourceManifest);
 116         }
 117
 118         /**
 119          * Check whether the file as already been packaged as PDE source, in order
 120          * not to mess with Jar signing
 121          */
 122         private static boolean isAlreadyPdeSource(File sourceFile) {
 123                 JarInputStream jarInputStream = null;
 124
 125                 try {
 126                         jarInputStream = new JarInputStream(new FileInputStream(sourceFile));
 127
 128                         Manifest manifest = jarInputStream.getManifest();
 129                         Iterator<?> it = manifest.getMainAttributes().keySet().iterator();
 130                         boolean res = false;
 131                         // containsKey() does not work, iterating...
 132                         while (it.hasNext())
 133                                 if (it.next().toString().equals("Eclipse-SourceBundle")) {
 134                                         res = true;
 135                                         break;
 136                                 }
 137                         // boolean res = manifest.getMainAttributes().get(
 138                         // "Eclipse-SourceBundle") != null;
 139                         if (res)
 140                                 log.info(sourceFile + " is already a PDE source");
 141                         return res;
 142                 } catch (Exception e) {
 143                         // probably not a jar, skipping
 144                         if (log.isDebugEnabled())
 145                                 log.debug("Skipping " + sourceFile + " because of "
 146                                                 + e.getMessage());
 147                         return false;
 148                 } finally {
 149                         IOUtils.closeQuietly(jarInputStream);
 150                 }
 151         }
 152
 153         /**
 154          * Copy a jar, replacing its manifest with the provided one
 155          *
 156          * @param manifest
 157          *            can be null
 158          */
 159         private static void copyJar(File source, OutputStream out, Manifest manifest)
 160                         throws IOException {
 161                 JarFile sourceJar = null;
 162                 JarOutputStream output = null;
 163                 try {
 164                         output = manifest != null ? new JarOutputStream(out, manifest)
 165                                         : new JarOutputStream(out);
 166                         sourceJar = new JarFile(source);
 167
 168                         entries: for (Enumeration<?> entries = sourceJar.entries(); entries
 169                                         .hasMoreElements();) {
 170                                 JarEntry entry = (JarEntry) entries.nextElement();
 171                                 if (manifest != null
 172                                                 && entry.getName().equals("META-INF/MANIFEST.MF"))
 173                                         continue entries;
 174
 175                                 InputStream entryStream = sourceJar.getInputStream(entry);
 176                                 JarEntry newEntry = new JarEntry(entry.getName());
 177                                 // newEntry.setMethod(JarEntry.DEFLATED);
 178                                 output.putNextEntry(newEntry);
 179                                 IOUtils.copy(entryStream, output);
 180                         }
 181                 } finally {
 182                         IOUtils.closeQuietly(output);
 183                         try {
 184                                 if (sourceJar != null)
 185                                         sourceJar.close();
 186                         } catch (IOException e) {
 187                                 // silent
 188                         }
 189                 }
 190         }
 191
 192         /** Copy a jar changing onlythe manifest */
 193         public static void copyJar(InputStream in, OutputStream out,
 194                         Manifest manifest) {
 195                 JarInputStream jarIn = null;
 196                 JarOutputStream jarOut = null;
 197                 try {
 198                         jarIn = new JarInputStream(in);
 199                         jarOut = new JarOutputStream(out, manifest);
 200                         JarEntry jarEntry = null;
 201                         while ((jarEntry = jarIn.getNextJarEntry()) != null) {
 202                                 jarOut.putNextEntry(jarEntry);
 203                                 IOUtils.copy(jarIn, jarOut);
 204                                 jarIn.closeEntry();
 205                                 jarOut.closeEntry();
 206                         }
 207                 } catch (IOException e) {
 208                         throw new SlcException("Could not copy jar with MANIFEST "
 209                                         + manifest.getMainAttributes(), e);
 210                 } finally {
 211                         IOUtils.closeQuietly(jarIn);
 212                         IOUtils.closeQuietly(jarOut);
 213                 }
 214         }
 215
 216         /** Reads a jar file, modify its manifest */
 217         public static byte[] modifyManifest(InputStream in, Manifest manifest) {
 218                 ByteArrayOutputStream out = new ByteArrayOutputStream(200 * 1024);
 219                 try {
 220                         copyJar(in, out, manifest);
 221                         return out.toByteArray();
 222                 } finally {
 223                         IOUtils.closeQuietly(out);
 224                 }
 225         }
 226
 227         /** Read the OSGi {@link NameVersion} */
 228         public static NameVersion readNameVersion(Artifact artifact) {
 229                 File artifactFile = artifact.getFile();
 230                 if (artifact.getExtension().equals("pom")) {
 231                         // hack to process jars which weirdly appear as POMs
 232                         File jarFile = new File(artifactFile.getParentFile(),
 233                                         FilenameUtils.getBaseName(artifactFile.getPath()) + ".jar");
 234                         if (jarFile.exists()) {
 235                                 log.warn("Use " + jarFile + " instead of " + artifactFile
 236                                                 + " for " + artifact);
 237                                 artifactFile = jarFile;
 238                         }
 239                 }
 240                 return readNameVersion(artifactFile);
 241         }
 242
 243         /** Read the OSGi {@link NameVersion} */
 244         public static NameVersion readNameVersion(File artifactFile) {
 245                 try {
 246                         return readNameVersion(new FileInputStream(artifactFile));
 247                 } catch (Exception e) {
 248                         // probably not a jar, skipping
 249                         if (log.isDebugEnabled()) {
 250                                 log.debug("Skipping " + artifactFile + " because of " + e);
 251                                 // e.printStackTrace();
 252                         }
 253                 }
 254                 return null;
 255         }
 256
 257         /** Read the OSGi {@link NameVersion} */
 258         public static NameVersion readNameVersion(InputStream in) {
 259                 JarInputStream jarInputStream = null;
 260                 try {
 261                         jarInputStream = new JarInputStream(in);
 262                         return readNameVersion(jarInputStream.getManifest());
 263                 } catch (Exception e) {
 264                         // probably not a jar, skipping
 265                         if (log.isDebugEnabled()) {
 266                                 log.debug("Skipping because of " + e);
 267                                 e.printStackTrace();
 268                         }
 269                 } finally {
 270                         IOUtils.closeQuietly(jarInputStream);
 271                 }
 272                 return null;
 273         }
 274
 275         /** Read the OSGi {@link NameVersion} */
 276         public static NameVersion readNameVersion(Manifest manifest) {
 277                 DefaultNameVersion nameVersion = new DefaultNameVersion();
 278                 nameVersion.setName(manifest.getMainAttributes().getValue(
 279                                 Constants.BUNDLE_SYMBOLICNAME));
 280
 281                 // Skip additional specs such as
 282                 // ; singleton:=true
 283                 if (nameVersion.getName().indexOf(';') > -1) {
 284                         nameVersion
 285                                         .setName(new StringTokenizer(nameVersion.getName(), " ;")
 286                                                         .nextToken());
 287                 }
 288
 289                 nameVersion.setVersion(manifest.getMainAttributes().getValue(
 290                                 Constants.BUNDLE_VERSION));
 291
 292                 return nameVersion;
 293         }
 294
 295         /*
 296          * DATA MODEL
 297          */
 298         /** The artifact described by this node */
 299         public static Artifact asArtifact(Node node) throws RepositoryException {
 300                 if (node.isNodeType(SlcTypes.SLC_ARTIFACT_VERSION_BASE)) {
 301                         // FIXME update data model to store packaging at this level
 302                         String extension = "jar";
 303                         return new DefaultArtifact(node.getProperty(SLC_GROUP_ID)
 304                                         .getString(),
 305                                         node.getProperty(SLC_ARTIFACT_ID).getString(), extension,
 306                                         node.getProperty(SLC_ARTIFACT_VERSION).getString());
 307                 } else if (node.isNodeType(SlcTypes.SLC_ARTIFACT)) {
 308                         return new DefaultArtifact(node.getProperty(SLC_GROUP_ID)
 309                                         .getString(),
 310                                         node.getProperty(SLC_ARTIFACT_ID).getString(), node
 311                                                         .getProperty(SLC_ARTIFACT_CLASSIFIER).getString(),
 312                                         node.getProperty(SLC_ARTIFACT_EXTENSION).getString(), node
 313                                                         .getProperty(SLC_ARTIFACT_VERSION).getString());
 314                 } else {
 315                         throw new SlcException("Unsupported node type for " + node);
 316                 }
 317         }
 318
 319         /**
 320          * The path to the PDE source related to this artifact (or artifact version
 321          * base). There may or there may not be a node at this location (the
 322          * returned path will typically be used to test whether PDE sources are
 323          * attached to this artifact).
 324          */
 325         public static String relatedPdeSourcePath(String artifactBasePath,
 326                         Node artifactNode) throws RepositoryException {
 327                 Artifact artifact = asArtifact(artifactNode);
 328                 Artifact pdeSourceArtifact = new DefaultArtifact(artifact.getGroupId(),
 329                                 artifact.getArtifactId() + ".source", artifact.getExtension(),
 330                                 artifact.getVersion());
 331                 return MavenConventionsUtils.artifactPath(artifactBasePath,
 332                                 pdeSourceArtifact);
 333         }
 334
 335         /**
 336          * Copy this bytes array as an artifact, relative to the root of the
 337          * repository (typically the workspace root node)
 338          */
 339         public static Node copyBytesAsArtifact(Node artifactsBase,
 340                         Artifact artifact, byte[] bytes) throws RepositoryException {
 341                 String parentPath = MavenConventionsUtils.artifactParentPath(
 342                                 artifactsBase.getPath(), artifact);
 343                 Node folderNode = JcrUtils.mkfolders(artifactsBase.getSession(),
 344                                 parentPath);
 345                 return JcrUtils.copyBytesAsFile(folderNode,
 346                                 MavenConventionsUtils.artifactFileName(artifact), bytes);
 347         }
 348
 349         private RepoUtils() {
 350         }
 351
 352         /** If a source return the base bundle name, does not change otherwise */
 353         public static String extractBundleNameFromSourceName(String sourceBundleName) {
 354                 if (sourceBundleName.endsWith(".source"))
 355                         return sourceBundleName.substring(0, sourceBundleName.length()
 356                                         - ".source".length());
 357                 else
 358                         return sourceBundleName;
 359         }
 360
 361         /*
 362          * SOFTWARE REPOSITORIES
 363          */
 364
 365         /** Retrieve repository based on information in the repo node */
 366         public static Repository getRepository(RepositoryFactory repositoryFactory,
 367                         Keyring keyring, Node repoNode) {
 368                 try {
 369                         Repository repository;
 370                         if (repoNode.isNodeType(ArgeoTypes.ARGEO_REMOTE_REPOSITORY)) {
 371                                 String uri = repoNode.getProperty(ARGEO_URI).getString();
 372                                 if (uri.startsWith("http")) {// http, https
 373                                         repository = ArgeoJcrUtils.getRepositoryByUri(
 374                                                         repositoryFactory, uri);
 375                                 } else if (uri.startsWith("vm:")) {// alias
 376                                         repository = ArgeoJcrUtils.getRepositoryByUri(
 377                                                         repositoryFactory, uri);
 378                                 } else {
 379                                         throw new SlcException("Unsupported repository uri " + uri);
 380                                 }
 381                                 return repository;
 382                         } else {
 383                                 throw new SlcException("Unsupported node type " + repoNode);
 384                         }
 385                 } catch (RepositoryException e) {
 386                         throw new SlcException("Cannot connect to repository " + repoNode,
 387                                         e);
 388                 }
 389         }
 390
 391         /**
 392          * Reads credentials from node, using keyring if there is a password. Can
 393          * return null if no credentials needed (local repo) at all, but returns
 394          * {@link GuestCredentials} if user id is 'anonymous' .
 395          */
 396         public static Credentials getRepositoryCredentials(Keyring keyring,
 397                         Node repoNode) {
 398                 try {
 399                         if (repoNode.isNodeType(ArgeoTypes.ARGEO_REMOTE_REPOSITORY)) {
 400                                 if (!repoNode.hasProperty(ARGEO_USER_ID))
 401                                         return null;
 402
 403                                 String userId = repoNode.getProperty(ARGEO_USER_ID).getString();
 404                                 if (userId.equals("anonymous"))// FIXME hardcoded userId
 405                                         return new GuestCredentials();
 406                                 char[] password = keyring.getAsChars(repoNode.getPath() + '/'
 407                                                 + ARGEO_PASSWORD);
 408                                 Credentials credentials = new SimpleCredentials(userId,
 409                                                 password);
 410                                 return credentials;
 411                         } else {
 412                                 throw new SlcException("Unsupported node type " + repoNode);
 413                         }
 414                 } catch (RepositoryException e) {
 415                         throw new SlcException("Cannot connect to repository " + repoNode,
 416                                         e);
 417                 }
 418         }
 419
 420         /**
 421          * Shortcut to retrieve a session given variable information: Handle the
 422          * case where we only have an URI of the repository, that we want to connect
 423          * as anonymous or the case of a identified connexion to a local or remote
 424          * repository.
 425          *
 426          * Callers must close the session once it has been used
 427          */
 428         public static Session getCorrespondingSession(
 429                         RepositoryFactory repositoryFactory, Keyring keyring,
 430                         Node repoNode, String uri, String workspaceName) {
 431                 try {
 432                         if (repoNode == null && uri == null)
 433                                 throw new SlcException(
 434                                                 "At least one of repoNode and uri must be defined");
 435                         Repository currRepo = null;
 436                         Credentials credentials = null;
 437                         // Anonymous URI only workspace
 438                         if (repoNode == null)
 439                                 // Anonymous
 440                                 currRepo = ArgeoJcrUtils.getRepositoryByUri(repositoryFactory,
 441                                                 uri);
 442                         else {
 443                                 currRepo = RepoUtils.getRepository(repositoryFactory, keyring,
 444                                                 repoNode);
 445                                 credentials = RepoUtils.getRepositoryCredentials(keyring,
 446                                                 repoNode);
 447                         }
 448                         return currRepo.login(credentials, workspaceName);
 449                 } catch (RepositoryException e) {
 450                         throw new SlcException("Cannot connect to workspace "
 451                                         + workspaceName + " of repository " + repoNode
 452                                         + " with URI " + uri, e);
 453                 }
 454         }
 455
 456         /**
 457          * Write group indexes: 'binaries' lists all bundles and their versions,
 458          * 'sources' list theire sources, and 'sdk' aggregates both.
 459          */
 460         public static void writeGroupIndexes(Session session,
 461                         String artifactBasePath, String groupId, String version,
 462                         Set<Artifact> binaries, Set<Artifact> sources) {
 463                 try {
 464                         Set<Artifact> indexes = new TreeSet<Artifact>(
 465                                         new ArtifactIdComparator());
 466                         Artifact binariesArtifact = writeIndex(session, artifactBasePath,
 467                                         groupId, RepoConstants.BINARIES_ARTIFACT_ID, version,
 468                                         binaries);
 469                         indexes.add(binariesArtifact);
 470                         if (sources != null) {
 471                                 Artifact sourcesArtifact = writeIndex(session,
 472                                                 artifactBasePath, groupId,
 473                                                 RepoConstants.SOURCES_ARTIFACT_ID, version, sources);
 474                                 indexes.add(sourcesArtifact);
 475                         }
 476                         // sdk
 477                         writeIndex(session, artifactBasePath, groupId,
 478                                         RepoConstants.SDK_ARTIFACT_ID, version, indexes);
 479                         session.save();
 480                 } catch (RepositoryException e) {
 481                         throw new SlcException("Cannot write indexes for group " + groupId,
 482                                         e);
 483                 }
 484         }
 485
 486         /** Write a group index. */
 487         private static Artifact writeIndex(Session session,
 488                         String artifactBasePath, String groupId, String artifactId,
 489                         String version, Set<Artifact> artifacts) throws RepositoryException {
 490                 Artifact artifact = new DefaultArtifact(groupId, artifactId, "pom",
 491                                 version);
 492                 String pom = MavenConventionsUtils.artifactsAsDependencyPom(artifact,
 493                                 artifacts, null);
 494                 Node node = RepoUtils.copyBytesAsArtifact(
 495                                 session.getNode(artifactBasePath), artifact, pom.getBytes());
 496                 addMavenChecksums(node);
 497                 return artifact;
 498         }
 499
 500         /** Add files containing the SHA-1 and MD5 checksums. */
 501         public static void addMavenChecksums(Node node) throws RepositoryException {
 502                 // TODO optimize
 503                 String sha = JcrUtils.checksumFile(node, "SHA-1");
 504                 JcrUtils.copyBytesAsFile(node.getParent(), node.getName() + ".sha1",
 505                                 sha.getBytes());
 506                 String md5 = JcrUtils.checksumFile(node, "MD5");
 507                 JcrUtils.copyBytesAsFile(node.getParent(), node.getName() + ".md5",
 508                                 md5.getBytes());
 509         }
 510
 511         /**
 512          * Custom copy since the one in commons does not fit the needs when copying
 513          * a workspace completely.
 514          */
 515         public static void copy(Node fromNode, Node toNode) {
 516                 copy(fromNode, toNode, null);
 517         }
 518
 519         public static void copy(Node fromNode, Node toNode, ArgeoMonitor monitor) {
 520                 try {
 521                         String fromPath = fromNode.getPath();
 522                         if (monitor != null)
 523                                 monitor.subTask("copying node :" + fromPath);
 524                         if (log.isDebugEnabled())
 525                                 log.debug("copy node :" + fromPath);
 526
 527                         // FIXME : small hack to enable specific workspace copy
 528                         if (fromNode.isNodeType("rep:ACL")
 529                                         || fromNode.isNodeType("rep:system")) {
 530                                 if (log.isTraceEnabled())
 531                                         log.trace("node " + fromNode + " skipped");
 532                                 return;
 533                         }
 534
 535                         // add mixins
 536                         for (NodeType mixinType : fromNode.getMixinNodeTypes()) {
 537                                 toNode.addMixin(mixinType.getName());
 538                         }
 539
 540                         // Double check
 541                         for (NodeType mixinType : toNode.getMixinNodeTypes()) {
 542                                 if (log.isDebugEnabled())
 543                                         log.debug(mixinType.getName());
 544                         }
 545
 546                         // process properties
 547                         PropertyIterator pit = fromNode.getProperties();
 548                         properties: while (pit.hasNext()) {
 549                                 Property fromProperty = pit.nextProperty();
 550                                 String propName = fromProperty.getName();
 551                                 try {
 552                                         String propertyName = fromProperty.getName();
 553                                         if (toNode.hasProperty(propertyName)
 554                                                         && toNode.getProperty(propertyName).getDefinition()
 555                                                                         .isProtected())
 556                                                 continue properties;
 557
 558                                         if (fromProperty.getDefinition().isProtected())
 559                                                 continue properties;
 560
 561                                         if (propertyName.equals("jcr:created")
 562                                                         || propertyName.equals("jcr:createdBy")
 563                                                         || propertyName.equals("jcr:lastModified")
 564                                                         || propertyName.equals("jcr:lastModifiedBy"))
 565                                                 continue properties;
 566
 567                                         if (fromProperty.isMultiple()) {
 568                                                 toNode.setProperty(propertyName,
 569                                                                 fromProperty.getValues());
 570                                         } else {
 571                                                 toNode.setProperty(propertyName,
 572                                                                 fromProperty.getValue());
 573                                         }
 574                                 } catch (RepositoryException e) {
 575                                         throw new SlcException("Cannot property " + propName, e);
 576                                 }
 577                         }
 578
 579                         // recursively process children nodes
 580                         NodeIterator nit = fromNode.getNodes();
 581                         while (nit.hasNext()) {
 582                                 Node fromChild = nit.nextNode();
 583                                 Integer index = fromChild.getIndex();
 584                                 String nodeRelPath = fromChild.getName() + "[" + index + "]";
 585                                 Node toChild;
 586                                 if (toNode.hasNode(nodeRelPath))
 587                                         toChild = toNode.getNode(nodeRelPath);
 588                                 else
 589                                         toChild = toNode.addNode(fromChild.getName(), fromChild
 590                                                         .getPrimaryNodeType().getName());
 591                                 copy(fromChild, toChild);
 592                         }
 593
 594                         // update jcr:lastModified and jcr:lastModifiedBy in toNode in
 595                         // case
 596                         // they existed
 597                         if (!toNode.getDefinition().isProtected()
 598                                         && toNode.isNodeType(NodeType.MIX_LAST_MODIFIED))
 599                                 JcrUtils.updateLastModified(toNode);
 600
 601                         // Workaround to reduce session size: artifact is a saveable
 602                         // unity
 603                         if (toNode.isNodeType(SlcTypes.SLC_ARTIFACT))
 604                                 toNode.getSession().save();
 605
 606                         if (monitor != null)
 607                                 monitor.worked(1);
 608
 609                 } catch (RepositoryException e) {
 610                         throw new SlcException("Cannot copy " + fromNode + " to " + toNode,
 611                                         e);
 612                 }
 613         }
 614
 615 }